[INFO] fetching crate kiss2d 0.1.6...
[INFO] checking kiss2d-0.1.6 against 1.95.0 for pr-155915
[INFO] extracting crate kiss2d 0.1.6 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate kiss2d 0.1.6
[INFO] finished tweaking crates.io crate kiss2d 0.1.6
[INFO] tweaked toml for crates.io crate kiss2d 0.1.6 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate kiss2d 0.1.6 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 37 packages to latest compatible versions
[INFO] [stderr]       Adding minifb v0.11.2 (available: v0.28.0)
[INFO] [stderr]       Adding rusttype v0.7.9 (available: v0.9.3)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] [stderr]       Adding x11-dl v2.14.0 (available: v2.21.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded minifb v0.11.2
[INFO] [stderr]   Downloaded gdi32-sys v0.1.2
[INFO] [stderr]   Downloaded user32-sys v0.1.3
[INFO] [stderr]   Downloaded x11-dl v2.14.0
[INFO] [stderr]   Downloaded sdl2 v0.38.0
[INFO] [stderr]   Downloaded orbclient v0.3.54
[INFO] [stderr]   Downloaded sdl2-sys v0.38.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc365325ff06d824f7c91f5f44e323cb4ccd9073175b6dca652c4c6739cb673d
[INFO] running `Command { std: "docker" "start" "-a" "bc365325ff06d824f7c91f5f44e323cb4ccd9073175b6dca652c4c6739cb673d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc365325ff06d824f7c91f5f44e323cb4ccd9073175b6dca652c4c6739cb673d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc365325ff06d824f7c91f5f44e323cb4ccd9073175b6dca652c4c6739cb673d", kill_on_drop: false }`
[INFO] [stdout] bc365325ff06d824f7c91f5f44e323cb4ccd9073175b6dca652c4c6739cb673d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e04a838477bd6a8cf273e8630fe2ae2fb957e98143ba120c8195df96c243d47d
[INFO] running `Command { std: "docker" "start" "-a" "e04a838477bd6a8cf273e8630fe2ae2fb957e98143ba120c8195df96c243d47d", kill_on_drop: false }`
[INFO] [stderr]    Compiling x11-dl v2.14.0
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]    Compiling minifb v0.11.2
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking kiss2d v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(int_to_from_bytes, decl_macro, non_ascii_idents)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `non_ascii_idents` has been stable since `1.53.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: identifier contains a non normalized (NFKC) character: 'ϕ'
[INFO] [stdout]   --> src/vg/raster_fixed.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const ϕ: int1ϕ = 9;
[INFO] [stdout]    |       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this character is included in the Not_NFKC Unicode general security profile
[INFO] [stdout]    = note: `#[warn(uncommon_codepoints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: identifier contains a non normalized (NFKC) character: 'ϕ'
[INFO] [stdout]   --> src/vg/raster_fixed.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | const ϕ: int1ϕ = 9;
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this character is included in the Not_NFKC Unicode general security profile
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: identifier contains a non normalized (NFKC) character: 'ϕ'
[INFO] [stdout]   --> src/vg/raster_fixed.rs:32:6
[INFO] [stdout]    |
[INFO] [stdout] 32 | type int2ϕ = i32;
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this character is included in the Not_NFKC Unicode general security profile
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: identifier contains a non normalized (NFKC) character: 'ϕ'
[INFO] [stdout]   --> src/vg/raster_fixed.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let ayϕ = (ay * (fxOne as f32)) as int1ϕ;
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this character is included in the Not_NFKC Unicode general security profile
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: identifier contains a non normalized (NFKC) character: 'ϕ'
[INFO] [stdout]   --> src/vg/raster_fixed.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let byϕ = (by * (fxOne as f32)) as int1ϕ;
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this character is included in the Not_NFKC Unicode general security profile
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `int1ϕ` should have an upper camel case name
[INFO] [stdout]   --> src/vg/raster_fixed.rs:21:6
[INFO] [stdout]    |
[INFO] [stdout] 21 | type int1ϕ = i32;
[INFO] [stdout]    |      ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Int1ϕ`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `int2ϕ` should have an upper camel case name
[INFO] [stdout]   --> src/vg/raster_fixed.rs:32:6
[INFO] [stdout]    |
[INFO] [stdout] 32 | type int2ϕ = i32;
[INFO] [stdout]    |      ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Int2ϕ`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/vg/raster_fixed.rs:37:47
[INFO] [stdout]    |
[INFO] [stdout] 37 | #[inline(always)] fn floor(x: int1ϕ) -> i32 { (x >> ϕ) }
[INFO] [stdout]    |                                               ^      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 37 - #[inline(always)] fn floor(x: int1ϕ) -> i32 { (x >> ϕ) }
[INFO] [stdout] 37 + #[inline(always)] fn floor(x: int1ϕ) -> i32 { x >> ϕ }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/vg/raster_fixed.rs:38:47
[INFO] [stdout]    |
[INFO] [stdout] 38 | #[inline(always)] fn ceil(x: int1ϕ) -> i32  { ((x + fxOneMinusIota) >> ϕ) }
[INFO] [stdout]    |                                               ^                         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 38 - #[inline(always)] fn ceil(x: int1ϕ) -> i32  { ((x + fxOneMinusIota) >> ϕ) }
[INFO] [stdout] 38 + #[inline(always)] fn ceil(x: int1ϕ) -> i32  { (x + fxOneMinusIota) >> ϕ }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `exceeding_bitshifts` has been renamed to `arithmetic_overflow`
[INFO] [stdout]    --> src/vg/raster_fixed.rs:251:33
[INFO] [stdout]     |
[INFO] [stdout] 251 |                         #[allow(exceeding_bitshifts)]
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^ help: use the new name: `arithmetic_overflow`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Point`
[INFO] [stdout]  --> src/vg/vector.rs:2:37
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::image::{RGBA, Rectangle, Point};
[INFO] [stdout]   |                                     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `non_ascii_idents` has been stable since 1.53.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:43
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(int_to_from_bytes, decl_macro, non_ascii_idents)]
[INFO] [stdout]   |                                           ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `int_to_from_bytes` has been stable since 1.32.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(int_to_from_bytes, decl_macro, non_ascii_idents)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(int_to_from_bytes, decl_macro, non_ascii_idents)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `non_ascii_idents` has been stable since `1.53.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: identifier contains a non normalized (NFKC) character: 'ϕ'
[INFO] [stdout]   --> src/vg/raster_fixed.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const ϕ: int1ϕ = 9;
[INFO] [stdout]    |       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this character is included in the Not_NFKC Unicode general security profile
[INFO] [stdout]    = note: `#[warn(uncommon_codepoints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: identifier contains a non normalized (NFKC) character: 'ϕ'
[INFO] [stdout]   --> src/vg/raster_fixed.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | const ϕ: int1ϕ = 9;
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this character is included in the Not_NFKC Unicode general security profile
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: identifier contains a non normalized (NFKC) character: 'ϕ'
[INFO] [stdout]   --> src/vg/raster_fixed.rs:32:6
[INFO] [stdout]    |
[INFO] [stdout] 32 | type int2ϕ = i32;
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this character is included in the Not_NFKC Unicode general security profile
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: identifier contains a non normalized (NFKC) character: 'ϕ'
[INFO] [stdout]   --> src/vg/raster_fixed.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let ayϕ = (ay * (fxOne as f32)) as int1ϕ;
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this character is included in the Not_NFKC Unicode general security profile
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: identifier contains a non normalized (NFKC) character: 'ϕ'
[INFO] [stdout]   --> src/vg/raster_fixed.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let byϕ = (by * (fxOne as f32)) as int1ϕ;
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this character is included in the Not_NFKC Unicode general security profile
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `int1ϕ` should have an upper camel case name
[INFO] [stdout]   --> src/vg/raster_fixed.rs:21:6
[INFO] [stdout]    |
[INFO] [stdout] 21 | type int1ϕ = i32;
[INFO] [stdout]    |      ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Int1ϕ`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `int2ϕ` should have an upper camel case name
[INFO] [stdout]   --> src/vg/raster_fixed.rs:32:6
[INFO] [stdout]    |
[INFO] [stdout] 32 | type int2ϕ = i32;
[INFO] [stdout]    |      ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Int2ϕ`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/vg/raster_fixed.rs:37:47
[INFO] [stdout]    |
[INFO] [stdout] 37 | #[inline(always)] fn floor(x: int1ϕ) -> i32 { (x >> ϕ) }
[INFO] [stdout]    |                                               ^      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 37 - #[inline(always)] fn floor(x: int1ϕ) -> i32 { (x >> ϕ) }
[INFO] [stdout] 37 + #[inline(always)] fn floor(x: int1ϕ) -> i32 { x >> ϕ }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/vg/raster_fixed.rs:38:47
[INFO] [stdout]    |
[INFO] [stdout] 38 | #[inline(always)] fn ceil(x: int1ϕ) -> i32  { ((x + fxOneMinusIota) >> ϕ) }
[INFO] [stdout]    |                                               ^                         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 38 - #[inline(always)] fn ceil(x: int1ϕ) -> i32  { ((x + fxOneMinusIota) >> ϕ) }
[INFO] [stdout] 38 + #[inline(always)] fn ceil(x: int1ϕ) -> i32  { (x + fxOneMinusIota) >> ϕ }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `exceeding_bitshifts` has been renamed to `arithmetic_overflow`
[INFO] [stdout]    --> src/vg/raster_fixed.rs:251:33
[INFO] [stdout]     |
[INFO] [stdout] 251 |                         #[allow(exceeding_bitshifts)]
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^ help: use the new name: `arithmetic_overflow`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Point`
[INFO] [stdout]  --> src/vg/vector.rs:2:37
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::image::{RGBA, Rectangle, Point};
[INFO] [stdout]   |                                     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `non_ascii_idents` has been stable since 1.53.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:43
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(int_to_from_bytes, decl_macro, non_ascii_idents)]
[INFO] [stdout]   |                                           ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `int_to_from_bytes` has been stable since 1.32.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(int_to_from_bytes, decl_macro, non_ascii_idents)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]   --> src/image.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let (w, h) = (r.dx(), r.dy());
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]   --> src/image.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let (w, h) = (r.dx(), r.dy());
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kiss2d` (lib) due to 1 previous error; 14 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kiss2d` (lib test) due to 1 previous error; 14 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "e04a838477bd6a8cf273e8630fe2ae2fb957e98143ba120c8195df96c243d47d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e04a838477bd6a8cf273e8630fe2ae2fb957e98143ba120c8195df96c243d47d", kill_on_drop: false }`
[INFO] [stdout] e04a838477bd6a8cf273e8630fe2ae2fb957e98143ba120c8195df96c243d47d
